Sort of. Last night I put my PW on to charge and was reading. When I went to change the page a window opened with font sizes and it would pick a different sized font seemingly at random. I tapped for the menu and changed the font size. I tapped to back up one page and got a new font. size. I swiped to change page and got a new font size. I did a hard reset and the problem persisted.

Then today I plugged in my PW to see if it would do it again and, it didn't.

I've seen similar reports on various devices with touchscreens such as Nooks, Android phones, etc. Some have attributed it to ground (earth) problems. In some cases, trying a different cable, adapter or outlet resolved the issue.

Sort of. Last night I put my PW on to charge and was reading. When I went to change the page a window opened with font sizes and it would pick a different sized font seemingly at random. I tapped for the menu and changed the font size. I tapped to back up one page and got a new font. size. I swiped to change page and got a new font size. I did a hard reset and the problem persisted.(...)

I've seen similar reports on various devices with touchscreens such as Nooks, Android phones, etc. Some have attributed it to ground (earth) problems. In some cases, trying a different cable, adapter or outlet resolved the issue.

It's issues like this which is why I always recommend getting a charger that's certified. In the US, it would be UL Listed. These cheap Chinese chargers are untrustworthy. They could actually damage your device.